ffmpeg | branch: master | Paul B Mahol <[email protected]> | Sat Oct 19 11:56:02 2019 +0200| [ce5274c1385d55892a692998923802023526b765] | committer: Paul B Mahol
avfilter/vf_fieldmatch: fix heap-buffer overflow Also fix use of uninitialized values. Fixes #8239 > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ce5274c1385d55892a692998923802023526b765 --- libavfilter/vf_fieldmatch.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavfilter/vf_fieldmatch.c b/libavfilter/vf_fieldmatch.c index d115229e53..fa4aa8239c 100644 --- a/libavfilter/vf_fieldmatch.c +++ b/libavfilter/vf_fieldmatch.c @@ -950,7 +950,7 @@ static int config_input(AVFilterLink *inlink) fm->tpitchy = FFALIGN(w, 16); fm->tpitchuv = FFALIGN(w >> 1, 16); - fm->tbuffer = av_malloc(h/2 * fm->tpitchy); + fm->tbuffer = av_calloc((h/2 + 4) * fm->tpitchy, sizeof(*fm->tbuffer)); fm->c_array = av_malloc((((w + fm->blockx/2)/fm->blockx)+1) * (((h + fm->blocky/2)/fm->blocky)+1) * 4 * sizeof(*fm->c_array)); _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
